A flare release system in which a plurality of flares are sequentially lahed from a submerged float. Launching apparatus for each flare comprises a compressed gas cylinder which is ruptured by a firing pin propelled by an electrically initiated squib. Compressed gas escaping from th

An actuation mine simulator system which enables realistic training experce in mine sweeping operations without the danger accompanying use of live mines. The actuation mine simulator is preprogrammed to respond at predetermined time intervals to actuation by large objects such as ships